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  1. Qt
  2. QTBUG-73351

Transition to CMake

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Details

    • Epic
    • Resolution: Done
    • P1: Critical
    • 6.2
    • None
    • Build System
    • None
    • Build system transition to CMake

    Description

      Rationale

      We have supported three build systems in Qt: qmake, Qbs, and CMake. We plan that in Qt 6, the main build tool is CMake, so we need to create a CMake-based build system, which is used to build Qt and which is used by customers in their Qt projects. 

      Business justification

      Helps customers, who already use CMake, to start using Qt. 

      What is needed?

      • CMake build system
        • CMakeLists.txt files as replacement for the .pro/pri files
        • Conversion script exists, but requires some hand edits into the build files 
      • CMake build system for Qt Creator 
      • Good CMake support in Qt Creator 
        • Toolchain support for B2Qt
      • Improve CMake support to at least the same level as qmake
        • Fix/complete missing features for Qt 5 CMake support to build Qt apps
      • Promote CMake as the preferred build system for new projects already now
      • Make sure the default install of Qt Creator install everything needed for CMake to work
      • Change the Creator wizards etc to create CMake applications by default (currently offers qmake, CMake and QBS with qmake as default)
      • Change the examples to use CMake instead of qmake
      • Remove all linking and promotion of QBS from documentation and Creator (QBS documentation can be there, but we should not position it as something to start new things with)
      • Clearly mark to all QBS documentation, tutorials, … that QBS is deprecated and should not be used in new projects
      • Remove QBS from option list of new application wizards? Or mark that it is deprecated
      • Write blog posts about how to use CMake with Qt and Creator 
      • Create tutorials, videos, webinars etc on how to use CMake with Qt 5 application

       

      Attachments

        Issue Links

          depends on

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-80897 CMake Port: Milestone 7 (backlog)

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Open

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-73925 CMake Port: Milestone 1

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-74612 CMake Port: Milestone 2

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-75944 CMake Port: Milestone 3

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-86961 CMake Port: Milestone 4

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          is required for

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-74397 Modularity, build system & package management

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. QTBUG-85855 Qt 6.0 development targets

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTBUG-72169 Support known good Qt Lite configuration presets

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Open

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTBUG-72170 Test known good Qt Lite configurations in CI

          • P3: Somewhat important - Should be fixed, but doesn't affect the release in any way.
          • Open

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. QTBUG-72166 qt-config-gui: Implement simplified view for picking features

          • Not Evaluated - Not yet evaluated/prioritized
          • Blocked
          relates to

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. AUTOSUITE-1632 Qt AppMan transition to Qt 6 and CMake

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. AUTOSUITE-1633 Qt IVI transition to Qt 6 and CMake and rename to Qt Interface Framework

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          User Story - Created by Jira Software - do not edit or delete. Issue type for a user story. AUTOSUITE-1635 Qt Deployment Server transition to Qt 6 and CMake

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. QTCREATORBUG-24677 There is no fallback when cmake fails to configure a project

          • Not Evaluated - Not yet evaluated/prioritized
          • Closed
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              tpyssysa Tino Pyssysalo
              tpyssysa Tino Pyssysalo
              Tino Pyssysalo Tino Pyssysalo
              Kai Köhne Kai Köhne
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              Dates

                Created:
                Updated:
                Resolved:

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